Sahih Muslim
Sahih Muslim 1423 b
It is recommended to get married and arrange marriages in Shawwal, and it is recommended to consummate the marriage in that month
Arabic hadith text
وَحَدَّثَنَاهُ ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا سُفْيَانُ، بِهَذَا الإِسْنَادِ وَلَمْ يَذْكُرْ فِعْلَ عَائِشَةَ
Translation
This hadith has been narrated on the authority of Sufyan with the same chain of transmitters, but he made no mention of the act of 'A'isha (being admitted as a wife in the house of the Holy Prophet).